A More Natural Fit

Icebreaker GT Hoody $130Wool has a natural edge: It comes from sheep, not an oil barrel. And merino wool is soft, itch-free, and more odor-resistant than synthetics. Icebreaker's Web site lets you trace the production of this cozy hoody back to the farm. icebreaker.com

New Balance NBx Cocona Tee $45It's easy to feel good about this top, since it's made with 53 percent recycled poly. The rest is Cocona, a fabric embedded with activated carbon from coconut shells, a renewable material that wicks, fights odor, and offers UV protection. newbalance.com

Champion O2Cool Training Pants $42These semifitted pants, made with 88 percent recycled polyester, are soft and stretchy enough to move with each stride. Bonus: They're vented along the waistband to help keep you cool when your run heats up. championusa.com

Teko Ecomerino Low-Cut Socks $14 All Teko socks are made in the United States, and everything but the wool (which is chlorine-free and organic) is sourced within 200 miles of the factory. These plush socks offer superb cushioning. tekosocks.com

Men

Patagonia Traverse $100Recycled polyester used to be stiff and crunchy. No longer. This comfy, water-resistant soft shell is made of 93 percent recycled poly-and if it wears out, you can return it to Patagonia to be recycled into new products. patagonia.com

Sugoi Hans Jersey $55 The fabric in this half-zip shirt is blended with toasted basmboo, halving the amount of petroleum-derived polyester required. Bamboo grows rapidly with only a little rainfall, and it naturally resists odor and wicks away moisture, eliminating the need for chemical treatments often used on synthetics. sugoi.com

Smartwool Synergy Sport Pants $110 Since 1994, SmartWool has led the way in using merino wool as a performance fabric. These thick and toasty pants feature chlorine-free merino on the inside and have an added layer of nylon on the outside to better withstand the elements. smartwool.com

Bridgedale Bamboo Lo Socks $14Unlike other fabrics, bamboo fibers come from a renewable resource that regrows fast without pesticides, fertilizers, or lots of water. With a mix of bamboo and Coolmax, these socks deliver outstanding cushioning and odor protection. bridgedale.com

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